Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.845411E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T15:54:07+0800
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    1 Object 1

    AOE ID 37661
    NORAD ID 37661
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name HJS-7A
    AOE ID 65617
    NORAD ID 65617
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB HJS-7A
    Time of Closest Approach 2026-10-24T09:20:06+0000
    Collision Probability (Pc) 1.845411E-6
    Conjunction Distance (km) 2.244 km
    Relative Speed (km/s) 11.297 km/s
    Conjunction Risk Parameters R (Radial): 1.655 | I (In-track): 0.987 | C (Cross-track): 1.151
    Collision Risk Index (CRI) 0.4
    X Position (km) -4506.413 -4504.232
    Position Y (km) 1712.032 1712.204
    Position Z (km) -5730.167 -5729.668
    Velocity X (km/s) -4.59 -2.815
    Velocity Y (km/s) 3.621 -6.724
    Velocity Z (km/s) 4.383 0.205

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB HJS-7A
    Semimajor Axis (a) 7513.922 km 7481.914 km
    Eccentricity (e) 0.032829 0.000075
    Inclination (i) 98.8979° 49.9982°
    RAAN 144.9528° 256.2380°
    Perigee Argument 235.0167° 9.2413°
    Mean Anomaly (M) 121.9732° 350.8478°
    Apogee 1382.462 km 1104.341 km
    Perigee 889.108 km 1103.213 km
    Orbit Epoch 2026-10-20T08:18:43+0000 2026-10-21T13:49:48+0000

    DELTA 1 DEB & HJS-7A Collision Probability (Pc) Trend

    DELTA 1 DEB & HJS-7A Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & HJS-7A Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & HJS-7A Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-7AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-7ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data